1. Cells: A cell is the smallest unit that can carry on all the processes of life.

2. The cell theory grew out of the work of many scientists
Invented a better microscope
Studied
plant cells
Studied animal cells-all living things made of cells
Cells come from other cells
Named
Cells

3. The Cell theory has three principles:
(1) All organisms are made of cells.

4. The Cell theory has three principles:
(1) All organisms are made of cells.
(2) All cells are produced by other living cells.

5. The Cell Theory has three principles:
(1) All organisms are made of cells.
(2) All cells are produced by other living cells.
(3) The structure of a cell fits its function.

6. There are two basic cell types:
(1) eukaryotic cells and (2) prokaryotic cells.
Eukaryotic cells have a nucleus. Animal cells appear more round in shape Plant cells appear more rectangular in shape.
Examples:
Plants
Animals
Fungi
Protista
nucleus
organelles

7. Prokaryotic cells do not have a nucleus
Prokaryotic cells do not have a nucleus. They are very small compared to eukaryotic cells.
Examples:
Bacteria
nucleus
organelles
cytoplasm